An aquamarine and diamond dress ring in Art Deco style, centred with a rectangular step-cut aquamarine, approximately 2.90cts, collet set between small baguette diamond three stone stepped shoulders, the six stones approximately 0.30cts total, set throughout in white on a ‘D’ section shank with knife-edge shoulders, stamped ‘Plat’, size N+, 4.4 grams gross. Aquamarine 9.7mm x 8.7mm x 5.2mm, Diamonds approx. 2.7mm x 0.8mm.